Fiber optic network equipment accessory — replacement cutting blade with its rotating mechanism, designed for the Signal Fire AI-30 automatic electronic fiber cleaver. It ensures high-precision, 90-degree cutting of the optical fiber, which is crucial for achieving perfect fusion splicing and minimum insertion loss. Made from high-quality tungsten steel, it features a long service life with thousands of precise cleaves. The mechanism is easy to install on the cleaver, fully restoring its original cutting performance.